Made of renewable materials like corn husks, pine bark
                                
                                
                                    (Newser) -
                                    PepsiCo has developed the world's first plastic bottle made of nothing but renewable, plant-based materials, the  Atlanta Journal-Constitution  reports. The bottle is made from corn husks, switch grass, and pine bark; but in the future, Pepsi hopes to use its food byproducts like orange and potato peels. Pepsi will start...